/*
 * Copyright 2001-2004 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.jforum.util.legacy.commons.fileupload;

import java.io.IOException;
import java.io.InputStream;

/**
 * <p>
 * Abstracts access to the request information needed for file uploads. This
 * interfsace should be implemented for each type of request that may be handled
 * by FileUpload, such as servlets and portlets.
 * </p>
 * 
 * @author <a href="mailto:martinc@apache.org">Martin Cooper</a>
 * 
 * @since FileUpload 1.1
 * 
 * @version $Id$
 */
public interface RequestContext {

	/**
	 * Retrieve the content type of the request.
	 * 
	 * @return The content type of the request.
	 */
	String getContentType();

	/**
	 * Retrieve the content length of the request.
	 * 
	 * @return The content length of the request.
	 */
	int getContentLength();

	/**
	 * Retrieve the input stream for the request.
	 * 
	 * @return The input stream for the request.
	 * 
	 * @throws IOException
	 *             if a problem occurs.
	 */
	InputStream getInputStream() throws IOException;
}
